praeoperire

praeoperire [CL prae-+operire] 1 to cover over or in front. est ‥ lapis in mari oceano tam miri decoris, qui aliquoties apparet, aliquoties vero arenis ~itur Ps.-Bede Collect. 63. 2 to cover beforehand or at an early stage. s1249 fluxit ‥ annus ille minus fructifer, licet arbores floribus ~irentur M. Par. Min. III 67.